C library functions - time ()

C standard library - <time.h>

description

C library functionstime_t time (time_t * seconds) to return from epoch Epoch (1970-01-01 00:00:00 UTC) the elapsed time in seconds.Ifseconds is not empty, the return value is also stored in the variable in seconds.

statement

Here is the declaration time () function.

time_t time(time_t *t)

parameter

• seconds - This is a pointer to an object of type time_t pointer for values stored in seconds.

return value

In time_t object returns the current calendar time.

Examples

The following example demonstrates the time () function is used.

#include <stdio.h>
#include <time.h>

int main ()
{
  time_t seconds;

  seconds = time(NULL);
  printf("自 1970-01-01 起的小时数 = %ld\n", seconds/3600);
  
  return(0);
}

Let's compile and run the above program, which will result in the following:

自 1970-01-01 起的小时数 = 373711

C standard library - <time.h>